Reference technologies and standards Sample Clauses

Reference technologies and standards. ‌ The Open Networking Foundation (ONF) has created a North Bound Interface Working Group (NBI- WG) in 2013, with the objective of defining and standardizing a set of SDN Controller Northbound API Interfaces (NBIs) to enable applications’ portability across controllers. The NBI-WG Charter [ONF-NBI] identifies different levels of NBIs, depending on the type of services or resources they expose. As shown in Figure 1 a set of “controller APIs” provides access to basic functions or network services which constitute a sort of “developer toolkit” APIs for SDN software developer. They cover common capabilities and functions of SDN controller platforms and they are typically protocol specific. On top of them, the NBI Application APIs are exposed by specific and customized SDN applications built over the controller platform: they are protocol independent and use-case or domain specific. Figure 1 Different levels of northbound interfaces [ONF-NBI]
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Reference technologies and standards. ‌ The main function of the SDN control plane south-bound interface is to enable communication between the SDN controller and the network nodes (both physical and virtual switches or routers) so that the devices can discover network topology, define network flows and implement requests relayed to it via north-bound APIs. So, a south-bound controller plugin is a functional component that does the following: 1. Provides an abstraction of network devices functionality 2. Normalizes their APIs to common contracts 3. Handles session and connections to them With the discussion above, COSIGN will choose OpenDaylight as the reference SDN controller as its south-bound interface is capable of supporting multiple protocols (as shown in Figure 12). Each of the South-bound Plugins serves a different purpose, with some overlapping. For example, the OpenFlow plugin might serve the Data-Plane needs of an OVS element while the OVSDB plugin can serve the management plane needs of the same OVS element [ODL-wiki]. For COSIGN purpose, OF protocol is selected as the south-bound protocol, so in this section we only focus on two plugins, as presented in Table 38: OpenFlow and OVSDB. OpenFlow The OpenFlow plugin project intends to develop a plugin to support implementations of the OpenFlow specification as it develops and evolves. Specifically the OpenDaylight OpenFlow plugin project has developed a plugin aiming to support OpenFlow 1.0 and 1.3.x.
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Related to Reference technologies and standards

  • Specifications and Standards a) All articles supplied shall strictly conform to the specifications, trademark laid down in the bidding document and wherever articles have been required according to ISI/ ISO/ other applicable specifications/ certifications/ standards, those articles should conform strictly to those specifications/ certifications/ standards. The supply shall be of best quality and description. The decision of the competent authority/ purchase committee whether the articles supplied conforms to the specifications shall be final and binding on the supplier/ selected bidder.

  • Information Technology Enterprise Architecture Requirements If this Contract involves information technology-related products or services, the Contractor agrees that all such products or services are compatible with any of the technology standards found at xxxxx://xxx.xx.xxx/iot/2394.htm that are applicable, including the assistive technology standard. The State may terminate this Contract for default if the terms of this paragraph are breached.

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